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Justus Waldthausen
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Individual
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Individual
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9575. Waldthausen, J. May 6. Boring and drilling.-An additional guide 4 is provided for the boring - tool 5 of an angular holedrilling machine, having a detachable plate 13 corresponding w i t h the usual guideplate 12 on the table. The plain end of the tool bears against a ball 7 in the spindle 1, the tool being driven by detachable arms 9, 10 on the spindle and tool.
GB189909575D1899-05-061899-05-06An Improved Guide and Support for Boring Tool in Appliances for Boring Angular Holes.
ExpiredGB189909575A
(en)